MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of numerous external URIs and link farms pointing to potentially compromised CMS upload storage suggests a phishing or malware distribution campaign. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://crysiq.ru/uplcv?utm_term=laundry+and+tailor+near+me PDF link annotation
- http://westtech1963.com/clients/d/d4/d4250bc21dcbbf02d7f9bc68df143add/File/25956555038.pdfIn PDF document text
- http://d4smontreal.com/clients/f/f5/f58105ca183540932673f5bf18e62671/File/41237823920.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b15bd4541---93161901025.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084db0d88c92---zusexibuxofumekixebiw.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/rd1vjj523vc4t6oo4d14fli2cd/fulozeke.pdfIn PDF document text
- https://easy2ticket.com/upload/files/50667985792.pdfIn PDF document text
- http://hotararicedo.ro/files/files/tudukaru.pdfIn PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/f280cf31a0b0be3c0f1a92ba4ede45b6/60809349030.pdfIn PDF document text
- http://studioboscono.it/userfiles/files/muzitafopogerajeloge.pdfIn PDF document text
- http://carefirstwalkathon.com/clients/8/89/89514deb4c0e8807eb046cac28c4977f/File/fufamojuluneten.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ec8f46b53---51800571450.pdfIn PDF document text
- https://kcharp.com/ckfinder/userfiles/files/20228435018.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091ab9c2d706---liforugejowo.pdfIn PDF document text
- http://appartenvue.net/appart/upload/images/rajuperusas.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/zememadepitekuwojeloge.pdfIn PDF document text
- http://medicapoland.pl/uploaded/file/xexawa.pdfIn PDF document text
- http://jonkmp.nl/img/cms/file/wajorozadaze.pdfIn PDF document text
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d8a11f030---didevifapesowevowanezud.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/2e5e5ab454d7affcc6a693e0c644d295/14961568711.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e03883c73---joniteminoj.pdfIn PDF document text
- http://2440027.ru/upload/file/52208550764.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce8321582e2---52787312379.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ae3336a9d26---vimividexepaviseg.pdfIn PDF document text
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/idbhpnum8i9vhf5172act00bk3/58700499061.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e94c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE94C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010163.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10163 | 10412 bytes |
SHA-256: cd0d46f132167074bab72e2e92b12628b523e0de9632fca4741d028a1a114024 |
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font_02_sfnt_off000118e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118E6 | 17264 bytes |
SHA-256: 2ce577250c603c97c480f2b0a1df371eb50fd3401b0ba3a343fd8e313c931688 |
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